Amperex Bugle Boy 12AU7 12AU7A ECC82 Vacuum Tube Steel Support Rods 6BL7GT RC2 This lot of three RCA-Victor

This lot of three RCA-Victor gray glass 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

5 record cleaner and am playing it as I write on my Rega Planar 1

black plates and nice hot-stamped bases

5 record cleaner and then played it on my Rega Planar 1

I have played it in my Bottlehead Crack headphone amplifier and it sounded outstanding

Amperex Bugle Boy 12AU7 12AU7A ECC82 Vacuum Tube Steel Support Rods 6BL7GT RC2 This lot of three RCA-VictorThis Amperex Bugle Boy 12AU7A ECC82 dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured a nicely balanced 62 60 where minimum (65%) is 56 56 and 100% is 87 87. It has gray 12MM plates; steel support rods; a sutured top; excellent flashing; a wisp of the Bugle Boy logo and a top O getter. I have played it in my Bottlehead headphone amplifier and it sounds